57326838 has 32 divisors (see below), whose sum is σ = 123959040. Its totient is φ = 17612640.

The previous prime is 57326831. The next prime is 57326861. The reversal of 57326838 is 83862375.

It is a super-3 number, since 3×57326838³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57326838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57326831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (3873720).

Almost surely, 2^57326838 is an apocalyptic number.

57326838 is an abundant number, since it is smaller than the sum of its proper divisors (66632202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57326838 is a wasteful number, since it uses less digits than its factorization.

57326838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652.

The product of its digits is 241920, while the sum is 42.

The square root of 57326838 is about 7571.4488705927. The cubic root of 57326838 is about 385.5842885063.

The spelling of 57326838 in words is "fifty-seven million, three hundred twenty-six thousand, eight hundred thirty-eight".